What’s Vulnerable › Vulnerabilities

CVE-2020-37085: VirtualTablet Server 3.0.2 - Denial of Service (PoC)

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-02-03 · updated 2026-06-17
• Weakness: CWE-770

Description

VirtualTablet Server 3.0.2 contains a denial of service vulnerability that allows attackers to crash the service by sending oversized string payloads through the Thrift protocol. Attackers can exploit the vulnerability by sending a long string to the send_say() method, causing the server to become unresponsive.

Affected products

• SunnySideSoft VirtualTablet Server: 3.0.2

References

• http://www.sunnysidesoft.com/
• https://www.exploit-db.com/exploits/48402
• https://www.vulncheck.com/advisories/virtualtablet-server-denial-of-service-poc

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